545444505144 has 96 divisors (see below), whose sum is σ = 1841760685440. Its totient is φ = 141673896000.

The previous prime is 545444505131. The next prime is 545444505167. The reversal of 545444505144 is 441505444545.

545444505144 is a `hidden beast` number, since 5 + 4 + 54 + 4 + 450 + 5 + 144 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545444505144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49186782 + ... + 49197869.

It is an arithmetic number, because the mean of its divisors is an integer number (19185007140).

Almost surely, 2^545444505144 is an apocalyptic number.

It is an amenable number.

545444505144 is an abundant number, since it is smaller than the sum of its proper divisors (1296316180296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545444505144 is a wasteful number, since it uses less digits than its factorization.

545444505144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98384681 (or 98384674 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 45.

Adding to 545444505144 its reverse (441505444545), we get a palindrome (986949949689).

The spelling of 545444505144 in words is "five hundred forty-five billion, four hundred forty-four million, five hundred five thousand, one hundred forty-four".